#12596D
Closest named color: Petrol (#005F6A). oklch(43.2% 0.073 221.9), rgb(18, 89, 109).
Aa
White text reads best on this color (7.84:1).
About this color
#12596D is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.073 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.022 away. White text reads best on it, at 7.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #12596D |
| RGB | rgb(18, 89, 109) |
| HSL | hsl(193, 72%, 25%) |
| OKLCH | oklch(43.2% 0.073 221.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #12596D | 7.84:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #12596D | 2.67:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #12596D text on white | 7.84:1 | AAA | Lc 86.9 | Fine for body text |
| #12596D text on black | 2.67:1 | Fails | Lc -15.2 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A3C7D5
oklch(80.8% 0.043 223.5)
-
Step 400
400
#6FABBF
oklch(70.8% 0.069 221)
-
Step 500
500
#4495AF
oklch(63% 0.087 221.9)
-
Step 600
600
#1C7F9B
oklch(55.5% 0.095 222.2)
-
Step 700
700
#096B84
oklch(49% 0.088 221.9)
-
Step 800
800 (this color)
#12596D
oklch(43.2% 0.073 221.9)
-
Step 900
900
#184857
oklch(37.6% 0.057 222.2)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#12596D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4D576E | 0.059 |
| Deuteranopia (no green cones) | #414E6D | 0.052 |
| Tritanopia (no blue cones) | #005F5F | 0.036 |
| Achromatopsia (no color) | #525252 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12596D
#12596D
oklch(43.2% 0.073 221.9)
- #72422F
#72422F
oklch(43.2% 0.073 42.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #12596D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.022
- Deep Teal #00555A ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.052
- Dark Aqua #05696B ΔE 0.053
- Light Navy #155084 ΔE 0.053
Use #12596D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.